Modern Physics

What is the hydraulic pressure?

The hydraulic pressure is that generated by a pair of pistons in which a slight force is applied to generate a much larger force. As this is a hydraulic procedure, water pistons are used that form a pressure capable of lifting any object, such as a car or an industrial machine.

Hydraulic pressure is guided by the well-known principle of Pascal, a famous scientist who demonstrated through various experiments, that it is possible to create a greater force by exerting a minimum force in a system similar to that of levers.

Hydraulic pressure appears mainly in tools or industrial machines, such as the hydraulic press; It is commonly used in the automobile and aeronautics industries, among many others.

Blaise Pascal

Blaise Pascal was a mathematician and physicist born in France in 1623, creator of Pascal’s Law (or Pascal’s principle), which explains that any pressure exerted on a fluid will expand uniformly throughout the space covered by the substance.

Pascal not only made a great contribution to the world of physics, demonstrating concepts such as pressure and vacuum in his research on fluids. He was also part of the design and construction of mechanical calculators and probability theory.

Pascal’s Principle

The Pascal Principle, or Pascal’s Law, is a law enunciated by the French scientist Blaise Pascal, which states that any pressure exerted anywhere on a blocked fluid is constant.

This principle can be proven by an experiment carried out with a hollow sphere with a plunger, which has been drilled in different places.

As the sphere filled with water and pressure was applied with the plunger, it was observed that water was coming out of the holes with the same pressure.

hydraulic pressure

Hydraulic pressure is a procedure that makes it possible to multiply the force exerted by the pressure of the fluids through two pistons that, according to Pascal’s principle, will make it possible to lift a very heavy load.

This process is possible thanks to the application of a small force through one of the water pistons. It should be noted that any pressure applied from the outside expands to all parts covered by the fluid, which generates a greater force.

Hydraulic press

The hydraulic press is an industrial machine that consists of two inlets that communicate and are activated by water pistons that, through a smaller force, are able to generate a force much greater than the initial one.

This force is capable of lifting objects as heavy as a car, so it is used in the creation and maintenance of cars.

It is also used in food companies, in the aeronautical and military industries and in the creation of ceramics. For the proper functioning of these presses, it is necessary to keep them in excellent condition and clean them well.

This way, the process by which the machine works and the water pistons will not be affected.

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